Question

Pls repede dau coroana si 25 puncte​

Answer 1

(x+1)3=12

3x+3=12

3x=9

x=3

(2y+1)2=30

4y+2=30

4y=28

y=7

Acesta este raspunsul !

Answer 2

Răspuns:

2/3=(x+1)/6

2×6=3(x+1)

12=3x+3

12-3=3x

x=9:3=>x=3

______________

2/3=10/(2y+1)

2(2y+1)=3×10

4y+2=30

4y=30-2

y=28:4=>y=7

_______________

2/3=4/6=10/15